Registry · deep sky

Cl* Westerlund 1 W 30

** SIMBAD ** O4-5Ia+ 26 papers

harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.

Right ascension: 16h 47m 04.11s
Declination: −45° 50′ 39.2″
Galactic l, b: 339.56, -0.3998
Magnitude V: 18.45
Parallax: 0.2076 mas
Redshift z: -0.00013765
Radial velocity: -41.27 km/s
Proper motion: -2.349, -3.83 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 CN V	WolfRayet*	3.219″	—
Cl* Westerlund 1 W 29	BlueSG	3.22″	18.66
Cl* Westerlund 1 W 31	BlueSG	3.617″	—
Cl* Westerlund 1 W 28	BlueSG	5.805″	17.15
Cl* Westerlund 1 BKS F	YellowSG	6.252″	15.05
Cl* Westerlund 1 W 9	WolfRayet*	7.858″	17.47
Cl* Westerlund 1 W 34	BlueSG	8.579″	18.15
Cl* Westerlund 1 W 10	BlueSG	9.268″	18.52
Cl* Westerlund 1 W 33	BlueSG	9.325″	15.61
WR 77g	WolfRayet*	11.08″	19
Cl* Westerlund 1 W 27	BlueSG	11.12″	17.94

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/cl-westerlund-1-w-30 · Registry entry updated 2026-08-14.